ELIZABETH WILLIAMS CPNP
NPI 1770678765
Nurse Practitioner - Pediatrics in Stratham, NH

Q: What is Elizabeth Williams's NPI number?

The NPI number for Elizabeth Williams is 1770678765. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Q: What is Elizabeth Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Active since October 04, 2006PECOS Enrolled

118 PORTSMOUTH AVE BLDG D, STRATHAM, NH 03885(603) 658-1823(603) 658-1824 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 20, 2023, Jul 23, 2019, Jun 23, 2017 (3 updates tracked since 2017).

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About Elizabeth Williams Cpnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELIZABETH WILLIAMS CPNP (NPI 1770678765) is an individual pediatrics provider in Stratham, New Hampshire, licensed in New Hampshire (047464-23) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770678765

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameELIZABETH WILLIAMSCredential: CPNP

Location Address118 PORTSMOUTH AVE BLDG DStratham, NH 03885-2487

Mailing Address4 Alumni DrExeter, NH 03833-2118 · (603) 658-1823 · Fax (603) 658-1824

Phone(603) 658-1823

Fax(603) 658-1824

Sole ProprietorNo

Enumeration DateOctober 4, 2006

Last NPPES UpdateOctober 16, 20253 updates tracked since enumeration

NPPES CertifiedOctober 16, 2025

✔ NPI 1770678765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0200X

License✔ Licensed in NH · 047464-23

118 PORTSMOUTH AVE BLDG D, Stratham, NH 03885

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Other Identifiers 2

Medicaid3077494NH

Other002776101NH · Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth Williams Cpnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Core Physicians, LLC

2.7 mi

Family Medicine

4 ALUMNI DR
Exeter, NH 03833

Reassigned Medicare billing, New Hampshire enrollment
395 clinicians in this Medicare group

NPI 1336330588 (603) 580-6753

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03885 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.14 typical visit price

range $57.75 – $174.26

Typical copayment $22.28 (range $14.43 – $43.56)

Most-billed visit code 99203

Established Patient

$101.54 typical visit price

range $18.70 – $142.15

Typical copayment $25.38 (range $4.67 – $35.53)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JANICE J MICHAUD CPNP

Nurse Practitioner (Pediatrics)